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authorUlrich Drepper <drepper@redhat.com>1997-01-06 22:07:28 +0000
committerUlrich Drepper <drepper@redhat.com>1997-01-06 22:07:28 +0000
commitdf4ef2ab9c0899b2670067cd97e58f7eb2913e00 (patch)
tree4cb343b5ba9ccdc9c0b96144412567b6a4eda0ee /sysdeps/unix/sysv/linux/netinet
parent6f9e7002f38ae778b3ff2f586a3e5766382228e9 (diff)
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update from main archive 960105cvs/libc-970107cvs/libc-970106
Diffstat (limited to 'sysdeps/unix/sysv/linux/netinet')
-rw-r--r--sysdeps/unix/sysv/linux/netinet/in.h147
1 files changed, 114 insertions, 33 deletions
diff --git a/sysdeps/unix/sysv/linux/netinet/in.h b/sysdeps/unix/sysv/linux/netinet/in.h
index 91c88835db..3dea878a21 100644
--- a/sysdeps/unix/sysv/linux/netinet/in.h
+++ b/sysdeps/unix/sysv/linux/netinet/in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or modify
@@ -23,14 +23,25 @@
#include <sys/socket.h>
-__BEGIN_DECLS
-#include <linux/in.h>
-__END_DECLS
-/* Standard well-known ports. The use of these constants is
- deprecated. Instead use the contents of the file `/etc/services'
- or similar databases by using the function getservbyname and
- getservbyport. */
+/* Standard well-defined IP protocols. */
+enum
+ {
+ IPPROTO_IP = 0, /* Dummy protocol for TCP. */
+ IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */
+ IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */
+ IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94). */
+ IPPROTO_TCP = 6, /* Transmission Control Protocol. */
+ IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */
+ IPPROTO_PUP = 12, /* PUP protocol. */
+ IPPROTO_UDP = 17, /* User Datagram Protocol. */
+ IPPROTO_IDP = 22, /* XNS IDP protocol. */
+
+ IPPROTO_RAW = 255, /* Raw IP packets. */
+ IPPROTO_MAX
+ };
+
+/* Standard well-known ports. */
enum
{
IPPORT_ECHO = 7, /* Echo service. */
@@ -71,50 +82,120 @@ enum
};
-/* Link numbers. */
-#define IMPLINK_IP 155
-#define IMPLINK_LOWEXPER 156
-#define IMPLINK_HIGHEXPER 158
+/* Internet address. */
+struct in_addr
+ {
+ unsigned int s_addr;
+ };
+
+
+/* Definitions of the bits in an Internet address integer.
+
+ On subnets, host and network parts are found according to
+ the subnet mask, not these masks. */
+
+#define IN_CLASSA(a) ((((unsigned) (a)) & 0x80000000) == 0)
+#define IN_CLASSA_NET 0xff000000
+#define IN_CLASSA_NSHIFT 24
+#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
+#define IN_CLASSA_MAX 128
+
+#define IN_CLASSB(a) ((((unsigned) (a)) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET 0xffff0000
+#define IN_CLASSB_NSHIFT 16
+#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
+#define IN_CLASSB_MAX 65536
+
+#define IN_CLASSC(a) ((((unsigned) (a)) & 0xc0000000) == 0xc0000000)
+#define IN_CLASSC_NET 0xffffff00
+#define IN_CLASSC_NSHIFT 8
+#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
+
+#define IN_CLASSD(a) ((((unsigned) (a)) & 0xf0000000) == 0xe0000000)
+#define IN_MULTICAST(a) IN_CLASSD(a)
+
+#define IN_EXPERIMENTAL(a) ((((unsigned) (a)) & 0xe0000000) == 0xe0000000)
+#define IN_BADCLASS(a) ((((unsigned) (a)) & 0xf0000000) == 0xf0000000)
+
+/* Address to accept any incoming messages. */
+#define INADDR_ANY ((unsigned) 0x00000000)
+/* Address to send to all hosts. */
+#define INADDR_BROADCAST ((unsigned) 0xffffffff)
+/* Address indicating an error return. */
+#define INADDR_NONE 0xffffffff
+
+/* Network number for local host loopback. */
+#define IN_LOOPBACKNET 127
+/* Address to loopback in software to local host. */
+#ifndef INADDR_LOOPBACK
+#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */
+#endif
+
/* Get the definition of the macro to define the common sockaddr members. */
#include <sockaddrcom.h>
-/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
- The `ip_dst' field is used for the first-hop gateway when using a
- source route (this gets put into the header proper). */
+
+/* Structure describing an Internet socket address. */
+struct sockaddr_in
+ {
+ __SOCKADDR_COMMON (sin_);
+ unsigned short int sin_port; /* Port number. */
+ struct in_addr sin_addr; /* Internet address. */
+
+ /* Pad to size of `struct sockaddr'. */
+ unsigned char sin_zero[sizeof(struct sockaddr) -
+ __SOCKADDR_COMMON_SIZE -
+ sizeof(unsigned short int) -
+ sizeof(struct in_addr)];
+ };
+
+
+/* Options for use with `getsockopt' and `setsockopt' at the IP level.
+ The first word in the comment at the right is the data type used;
+ "bool" means a boolean value stored in an `int'. */
+#define IP_TOS 1 /* int; IP type of service and precedence. */
+#define IP_TTL 2 /* int; IP time to live. */
+#define IP_HDRINCL 3 /* int; Header is included with data. */
+#define IP_OPTIONS 4 /* ip_opts; IP per-packet options. */
+#define IP_MULTICAST_IF 32 /* in_addr; set/get IP multicast i/f */
+#define IP_MULTICAST_TTL 33 /* u_char; set/get IP multicast ttl */
+#define IP_MULTICAST_LOOP 34 /* i_char; set/get IP multicast loopback */
+#define IP_ADD_MEMBERSHIP 35 /* ip_mreq; add an IP group membership */
+#define IP_DROP_MEMBERSHIP 36 /* ip_mreq; drop an IP group membership */
+
+/* Structure used to describe IP options for IP_OPTIONS. The `ip_dst'
+ field is used for the first-hop gateway when using a source route
+ (this gets put into the header proper). */
struct ip_opts
{
struct in_addr ip_dst; /* First hop; zero without source route. */
char ip_opts[40]; /* Actually variable in size. */
};
-__BEGIN_DECLS
+/* Structure used for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */
+struct ip_mreq
+ {
+ struct in_addr imr_multiaddr; /* IP multicast address of group */
+ struct in_addr imr_interface; /* local IP address of interface */
+ };
/* Functions to convert between host and network byte order. */
-extern unsigned long int ntohl __P ((unsigned long int __long_word));
-extern unsigned short int ntohs __P ((unsigned short int __short_word));
-extern unsigned long int htonl __P ((unsigned long int __long_word));
-extern unsigned short int htons __P ((unsigned short int __short_word));
-
-/* Bind socket FD to a privileged IP address SIN. */
-extern int bindresvport __P ((int __fd, struct sockaddr_in * __sock_in));
-
-__END_DECLS
+extern unsigned long int ntohl __P ((unsigned long int));
+extern unsigned short int ntohs __P ((unsigned short int));
+extern unsigned long int htonl __P ((unsigned long int));
+extern unsigned short int htons __P ((unsigned short int));
#include <endian.h>
#if __BYTE_ORDER == __BIG_ENDIAN
/* The host byte order is the same as network byte order,
so these functions are all just identity. */
-# undef ntohl
-# define ntohl(x) (x)
-# undef ntohs
-# define ntohs(x) (x)
-# undef htonl
-# define htonl(x) (x)
-# undef htons
-# define htons(x) (x)
+#define ntohl(x) (x)
+#define ntohs(x) (x)
+#define htonl(x) (x)
+#define htons(x) (x)
#endif
#endif /* netinet/in.h */